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200 | #! /usr/bin/python2 # for arch linux
import logging
import os
import pickle
import shutil
import sys
from PyQt4 import QtGui, QtCore
basedir = "" if "win" in sys.platform else os.getenv("HOME")
PICKLE_PATH = os.path.join(basedir, "tech_events.pickle")
TECHS = ('brian', 'doug', 'jason', 'simeon','tom', 'dibb')
class Event(object):
'''
a custom data type storing event attributes
'''
def __init__(self, tech, tyme):
self.tech = tech
self.tyme = tyme
def __cmp__(self, other):
return cmp(self.tyme, other.tyme)
def __repr__(self):
return "%s called at %s"% (self.tech.ljust(12), self.tyme)
class EventData(object):
'''
a custom class to manage the application data
'''
def __init__(self):
try:
f = open(PICKLE_PATH, "r")
self.event_list = pickle.load(f)
f.close()
logging.debug("loaded data from %s"% PICKLE_PATH)
logging.debug("making a backup file %s"% (PICKLE_PATH+"~"))
shutil.move(PICKLE_PATH, PICKLE_PATH+"~")
except IOError:
logging.debug("creating new event list")
self.event_list = []
def add(self, name, time):
self.event_list.append(Event(name, time))
def clear(self):
self.event_list = []
def output(self):
'''
print the event list out to stdout
'''
for event in self.event_list:
print (event)
def to_readable_list(self):
'''
return a list of events as strings
'''
retarg = []
for event in self.event_list:
retarg.append(str(event))
return retarg
def tail(self, n=10):
'''
print the last 10 events to std out
'''
for event in event_list[-n:]:
print (event)
def save(self):
'''
save the data to the pickle file
'''
logging.info("saving data")
f = open(PICKLE_PATH, "w")
pickle.dump(self.event_list, f)
f.close()
class TechWidget(QtGui.QWidget):
'''
A button, and a label.
'''
clicked = QtCore.pyqtSignal(object, object)
def __init__(self, name, parent=None):
QtGui.QWidget.__init__(self, parent)
self.name = name
self.num = 0
button = QtGui.QPushButton(self.name)
self.label = QtGui.QLabel()
layout = QtGui.QVBoxLayout(self)
layout.addWidget(button)
layout.addWidget(self.label)
button.clicked.connect(self.take_call)
def update_label(self):
message = "%d calls since app start"% self.num
self.label.setText(message)
def take_call(self):
self.num += 1
self.update_label()
self.clicked.emit(self.name, QtCore.QTime.currentTime().toPyTime())
class ListDialog(QtGui.QDialog):
'''
a dialog to show the events
'''
def __init__(self, parent=None):
QtGui.QDialog.__init__(self, parent)
self.setWindowTitle("Events")
button_box = QtGui.QDialogButtonBox(QtGui.QDialogButtonBox.Ok)
button_box.setCenterButtons(True)
layout = QtGui.QVBoxLayout(self)
self.list_widget = QtGui.QListWidget()
layout.addWidget(self.list_widget)
layout.addWidget(button_box)
button_box.accepted.connect(self.accept)
def sizeHint(self):
return QtCore.QSize(200, 300)
class MyWindow(QtGui.QMainWindow):
def __init__(self, parent = None):
QtGui.QMainWindow.__init__(self, parent)
self.setWindowTitle("Tech Call Counter")
self.event_data = EventData()
widget = QtGui.QWidget(self)
layout = QtGui.QHBoxLayout(widget)
for tech in TECHS:
widg = TechWidget(tech, self)
widg.clicked.connect(self.event_data.add)
layout.addWidget(widg)
self.setCentralWidget(widget)
menubar = self.menuBar()
action_list = QtGui.QAction("&List Events", self)
action_clear = QtGui.QAction("&Clear Events", self)
icon = QtGui.QIcon.fromTheme("application-exit")
action_quit = QtGui.QAction(icon, "&Quit", self)
action_list.triggered.connect(self.show_list)
action_clear.triggered.connect(self.clear_events)
action_quit.triggered.connect(
QtGui.QApplication.instance().closeAllWindows)
menu_file = QtGui.QMenu("&File", self)
menu_file.addAction(action_list)
menu_file.addAction(action_clear)
menu_file.addAction(action_quit)
self.menuBar().addMenu(menu_file)
def show_list(self, event=None):
dl = ListDialog(self)
dl.list_widget.addItems(self.event_data.to_readable_list())
dl.exec_()
def clear_events(self, event=None):
if QtGui.QMessageBox.question(self, "Confirm", "Clear today's events?",
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No,
QtGui.QMessageBox.No) == QtGui.QMessageBox.Yes:
self.event_data.clear()
def closeEvent(self, event=None):
if (QtGui.QMessageBox.question(self, "Quit?",
"Quit application?",
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No) ==
QtGui.QMessageBox.Yes):
self.event_data.save()
self.event_data.output()
QtGui.QMainWindow.closeEvent(self, event)
else:
event.ignore()
if __name__ == "__main__":
logging.basicConfig(level = logging.DEBUG)
app = QtGui.QApplication([])
mw = MyWindow()
mw.show()
app.exec_()
|